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    <title>Work-Item Built-In Functions</title>
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    <div class="refentry">
      <a id="id-1"></a>
      <div class="titlepage"></div>
      <div xmlns="" class="refnamediv">
        <h1>Work-Item Built-In Functions</h1>
        <p>Click an item in the table below for details about that function.</p>
      </div>
      <div class="refsect1">
        <a id="springboard"></a>
        <h2></h2>
        <div class="informaltable">
          <table class="informaltable" border="1">
            <colgroup>
              <col align="left" class="col1" />
              <col align="left" class="col2" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_work_dim.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_work_dim</span>
                    </span>
                  </a>
                </td>
                <td align="left">Number of dimensions in use</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_global_size.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_global_size</span>
                    </span>
                  </a>
                </td>
                <td align="left">Number of global work items</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_global_id.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_global_id</span>
                    </span>
                  </a>
                </td>
                <td align="left">Global work item ID value</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_local_size.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_local_size</span>
                    </span>
                  </a>
                </td>
                <td align="left">Number of local work items</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_enqueued_local_size.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_enqueued_local_size</span>
                    </span>
                  </a>
                </td>
                <td align="left">
                            Same as <code class="code">get_local_size(dimindx)</code> if the kernel is executed with a 
                            uniform work-group size
                        </td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_local_id.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_local_id</span>
                    </span>
                  </a>
                </td>
                <td align="left">Local work item ID</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_num_groups.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_num_groups</span>
                    </span>
                  </a>
                </td>
                <td align="left">Number of work groups</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_group_id.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_group_id</span>
                    </span>
                  </a>
                </td>
                <td align="left">Work group ID</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_global_offset.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_global_offset</span>
                    </span>
                  </a>
                </td>
                <td align="left">Work offset</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_global_linear_id.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_global_linear_id</span>
                    </span>
                  </a>
                </td>
                <td align="left">Work-items 1-dimensional global ID</td>
              </tr>
              <tr>
                <td align="left">
                  <a class="citerefentry" href="get_local_linear_id.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">get_local_linear_id</span>
                    </span>
                  </a>
                </td>
                <td align="left">Work-items 1-dimensional local ID</td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
          Built-in work-item functions can be used to query the
          number of dimensions, the global and local work size specified to
          <a class="citerefentry" href="clEnqueueNDRangeKernel.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueNDRangeKernel</span></span></a>,
          and the global and local identifier of each work-item when this
          kernel is being executed on a device.
        </p>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />
            <a href="https://www.khronos.org/registry/cl/specs/opencl-2.0-openclc.pdf#namedest=workItemFunctions" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="clEnqueueNDRangeKernel.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueNDRangeKernel</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2015 The Khronos Group Inc.
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copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
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